A method of a communication technique in which a fifth generation (5G) communication system for supporting more high data transmission rate after a fourth generation (4G) system converges with an internet of things (IoT) technology, and a system is provided. The present disclosure may be applied to intelligent services (e.g., a smart home, a smart building, a smart city, a smart car or a connected car, healthcare, digital education, a retail business, security and safety-related services, or the like) based on a 5G communication technology and an IoT-related technology. A terminal receives, from a base station, a first message including configuration information of at least one band, receive, from the base station, a second message for activating a band among the at least one band, and activate the band according to the second message, the configuration information including indication of the at least one band, and each band of the at least one band being part of a bandwidth.